package com.wt.chat.service;

import com.wt.chat.entity.Dialog;
import com.wt.chat.entity.Kefu;

import java.util.List;

/**
 * @description
 * @author: wangtao
 * @date:16:42 2019/11/18
 * @email:taow02@jumei.com
 */
public interface KefuService {
	/**
	 * 根据主键查找
	 * @param userId
	 * @return
	 */
	Kefu findById(Integer userId);

}
